103220121132 has 36 divisors (see below), whose sum is σ = 260928566080. Its totient is φ = 34405251552.

The previous prime is 103220121131. The next prime is 103220121139. The reversal of 103220121132 is 231121022301.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×103220121132³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (103220121131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1113669 + ... + 1202787.

Almost surely, 2^103220121132 is an apocalyptic number.

103220121132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103220121132 is an abundant number, since it is smaller than the sum of its proper divisors (157708444948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103220121132 is a wasteful number, since it uses less digits than its factorization.

103220121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121302 (or 121297 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103220121132 its reverse (231121022301), we get a palindrome (334341143433).

The spelling of 103220121132 in words is "one hundred three billion, two hundred twenty million, one hundred twenty-one thousand, one hundred thirty-two".